John 6:52

The Jews then wrangled with one another, saying, "How can he give us his flesh to eat?"

John 9:16

Then said some of the Pharisees, "This man is not from God, for he does not keep the sabbath"; others said, "How can a sinner perform such Signs?" They were divided on this.

John 10:19

The Jews were again divided over these words.

John 3:9

Nicodemus answered, "How can that be?"

John 6:41

Now the Jews murmured at him for saying, "I am the bread which has come down from heaven."

John 3:4

Nicodemus said to him, "How can a man be born when he is old? Can he enter his mother's womb over again and be born?"

John 4:11

"Sir," said the woman, "you have nothing to draw water with, and it is a deep well; where do you get your 'living' water?

John 7:40-43

On hearing this some of the people said, "This really is the Prophet";

Acts 17:32

But on hearing of a 'resurrection of dead men,' some sneered, while others said, "We will hear you again on that subject."

1 Corinthians 2:14

The unspiritual man rejects these truths of the Spirit of God; to him they are 'sheer folly,' he cannot understand them. And the reason is, that they must be read with the spiritual eye.

Treasury of Scripture Knowledge

Summary

The Jews therefore strove among themselves, saying, How can this man give us his flesh to eat?

Bible References

Strove

John 6:41
Now the Jews murmured at him for saying, "I am the bread which has come down from heaven."
John 7:40
On hearing this some of the people said, "This really is the Prophet";
John 9:16
Then said some of the Pharisees, "This man is not from God, for he does not keep the sabbath"; others said, "How can a sinner perform such Signs?" They were divided on this.
John 10:19
The Jews were again divided over these words.